梧桐苑户型:英语19~~~

来源:百度文库 编辑:高考问答 时间:2024/05/15 16:49:58
The doctor in _______ of the experiment has gone to Hebei for a few days.
A.
search
B.
charge
C.
contact
D.
support

B
in charge of 负责:负责这项实验的博士已经去河北有几天了

B
负责.